Computer Networking
Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?

For no more than two subnets
For different subnets
For no subnets
None of these
Unique to that subnet only

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Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

None of these
Electronic newspaper
Paperless office
Electronic mail
Global network

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Computer Networking
Carrier is

a collection of interconnected functional units that provides a data communications service among stations attached to the network
the condition when two or more sections attempt to use the same channel at the same time
None of these
a continuous frequency capable of being modulated or impressed with a second signal
One or more conductors that serve as a common connection for a related group of devices

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